diff --git a/src/Include/config_cmake.h.in b/src/Include/config_cmake.h.in
index 5a8b2c154..a0dadcb74 100644
--- a/src/Include/config_cmake.h.in
+++ b/src/Include/config_cmake.h.in
@@ -25,6 +25,8 @@
 
 #define VERSION "@FLIGHTGEAR_VERSION@"
 #define FLIGHTGEAR_VERSION "@FLIGHTGEAR_VERSION@"
+#define FLIGHTGEAR_MAJOR_VERSION @FG_VERSION_MAJOR@
+#define FLIGHTGEAR_MINOR_VERSION @FG_VERSION_MINOR@
 
 #cmakedefine ENABLE_UIUC_MODEL
 #cmakedefine ENABLE_LARCSIM